Second Hand Vaping: Minimal Impact Compared to Smoking Secondhand Smoke and Secondhand Vaping: Both Bad for Kids University Hospitals Can I be Affected by Secondhand Vape Smoke? Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London Sleeping baby safety tip: Keep baby's environment smoke and vape free. Secondhand smoke in areas where a baby sleeps or spends time, like home or the car, increases the risk of health problems. Juul study shows secondhand vaping emissions are less toxic than cigarette smoke